From 9eabd28e8baf3bd7cfa729e74c664eed060958bc Mon Sep 17 00:00:00 2001 From: Johan Hovold Date: Wed, 11 Oct 2017 14:03:01 +0200 Subject: USB: serial: garmin_gps: simplify init-session logic Clean up the somewhat convoluted init-session logic to improve readability. Reviewed-by: Greg Kroah-Hartman Signed-off-by: Johan Hovold --- drivers/usb/serial/garmin_gps.c | 41 ++++++++++++++++------------------------- 1 file changed, 16 insertions(+), 25 deletions(-) (limited to 'drivers/usb/serial') diff --git a/drivers/usb/serial/garmin_gps.c b/drivers/usb/serial/garmin_gps.c index 5f7832a..4f793c8 100644 --- a/drivers/usb/serial/garmin_gps.c +++ b/drivers/usb/serial/garmin_gps.c @@ -877,42 +877,33 @@ static int garmin_clear(struct garmin_data *garmin_data_p) static int garmin_init_session(struct usb_serial_port *port) { struct garmin_data *garmin_data_p = usb_get_serial_port_data(port); - int status = 0; - int i = 0; + int status; + int i; - if (status == 0) { - usb_kill_urb(port->interrupt_in_urb); + usb_kill_urb(port->interrupt_in_urb); - status = usb_submit_urb(port->interrupt_in_urb, GFP_KERNEL); - if (status) { - dev_err(&port->dev, - "failed to submit interrupt urb: %d\n", - status); - } + status = usb_submit_urb(port->interrupt_in_urb, GFP_KERNEL); + if (status) { + dev_err(&port->dev, "failed to submit interrupt urb: %d\n", + status); + return status; } /* * using the initialization method from gpsbabel. See comments in * gpsbabel/jeeps/gpslibusb.c gusb_reset_toggles() */ - if (status == 0) { - dev_dbg(&port->dev, "%s - starting session ...\n", __func__); - garmin_data_p->state = STATE_ACTIVE; - - for (i = 0; i < 3; i++) { - status = garmin_write_bulk(port, - GARMIN_START_SESSION_REQ, - sizeof(GARMIN_START_SESSION_REQ), 0); - - if (status < 0) - goto err_kill_urbs; - } + dev_dbg(&port->dev, "%s - starting session ...\n", __func__); + garmin_data_p->state = STATE_ACTIVE; - if (status > 0) - status = 0; + for (i = 0; i < 3; i++) { + status = garmin_write_bulk(port, GARMIN_START_SESSION_REQ, + sizeof(GARMIN_START_SESSION_REQ), 0); + if (status < 0) + goto err_kill_urbs; } - return status; + return 0; err_kill_urbs: usb_kill_anchored_urbs(&garmin_data_p->write_urbs); -- cgit v1.1